nak: Use `nir_io_semantics` for I/O
This removes our reliance on driver_locaiton
for varyings and attributes
by using nir_io_semantics
instead. This is probably better as NIR seems
to be trending this direction long-term.
This removes our reliance on driver_locaiton
for varyings and attributes
by using nir_io_semantics
instead. This is probably better as NIR seems
to be trending this direction long-term.